50、OAK的VideoEncoder节点编码h265和使用ffmpeg进行解码播放

基本思想：幸亏会一点点ffmpeg的视频编解码进行了视频播放,本篇博客教你如何直接解码h265进行视频播放，还得立下flag　要学如何硬解码

cmakelists.txt

cmake_minimum_required(VERSION 3.16)
project(depthai)
set(CMAKE_CXX_STANDARD 11)
find_package(OpenCV REQUIRED)
#message(STATUS ${OpenCV_INCLUDE_DIRS})
#添加头文件
include_directories(${OpenCV_INCLUDE_DIRS})
include_directories(${CMAKE_SOURCE_DIR}/include)
include_directories(${CMAKE_SOURCE_DIR}/include/utility)
#链接Opencv库
find_package(depthai CONFIG REQUIRED)
add_executable(depthai main.cpp include/utility/utility.cpp)
target_link_libraries(depthai ${OpenCV_LIBS}  depthai::opencv -lavformat -lavcodec -lswscale -lavutil -lz)

main.cpp

 
#include <stdio.h>
#include <string>
#include <iostream>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <openc